/* --------------------------------------------------------
   Ultra-Minimalist Single-Column Typographic Portfolio
   -------------------------------------------------------- */

:root {
  /* Colors - Light Mode default */
  --bg: #ffffff;
  --text: #18181b;
  --text-muted: #71717a;
  --border: rgba(0, 0, 0, 0.08);
  --code-bg: #f4f4f5;
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'SFMono-Regular', Consolas, Menlo, monospace;
}

/* Dark mode overrides */
[data-theme="dark"] {
  --bg: #09090b;
  --text: #f4f4f5;
  --text-muted: #a1a1aa;
  --border: rgba(255, 255, 255, 0.08);
  --code-bg: #27272a;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #09090b;
    --text: #f4f4f5;
    --text-muted: #a1a1aa;
    --border: rgba(255, 255, 255, 0.08);
    --code-bg: #27272a;
  }
}

/* CSS Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 14px;
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Main Container */
main {
  max-width: 600px;
  margin: 0 auto;
  padding: 3.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

/* Header Section */
.header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.5rem;
}

.header-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

@media (max-width: 500px) {
  .header {
    flex-direction: column;
    gap: 1rem;
  }
}

.name {
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: -0.03em;
}

.role-wrapper {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.bullet-separator {
  color: var(--border);
}

.local-time {
  font-variant-numeric: tabular-nums;
}

/* Bio Section */
.bio {
  font-size: 0.95rem;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.bio p {
  color: var(--text-muted);
}

.cli-command {
  display: inline-flex;
  align-items: center;
  background-color: var(--code-bg);
  border: 1px solid var(--border);
  padding: 0.35rem 0.65rem;
  border-radius: 5px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text);
  gap: 0.5rem;
  align-self: flex-start;
}

.copy-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s ease;
}

.copy-btn:hover {
  color: var(--text);
}

/* Sections */
.section {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.section-title {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.35rem;
}

/* Skills Section */
.skills-list {
  display: flex;
  flex-wrap: wrap;
  column-gap: 0.75rem;
  row-gap: 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  padding: 0.5rem 0;
}

.skill-tag {
  transition: color 0.2s ease, transform 0.2s ease;
  cursor: default;
}

.skill-tag:hover {
  color: var(--text);
  transform: translateY(-1px);
}

.skill-tag::after {
  content: " \2022"; /* Bullet separator */
  color: var(--border);
  margin-left: 0.75rem;
}

.skill-tag:last-child::after {
  content: "";
}

/* Lists and Items */
.list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

/* Grouped Experience Timeline styles */
.company-block {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.company-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.company-logo {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  object-fit: contain;
}

.company-name {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text);
}

.roles-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding-left: 1rem;
  border-left: 1px solid var(--border);
}

.role-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.item-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
}

.item-title {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  display: inline-block;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), color 0.2s ease;
}

.item-title:hover {
  transform: translateX(4px);
  color: var(--text);
}

.item-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.item-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.item-details, .item-superpowers {
  margin-top: 0.75rem;
}

.detail-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.detail-text {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.superpower-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.superpower-list li {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-right: 0.5rem;
}

.project-links {
  display: flex;
  gap: 1.5rem;
  margin-top: 0.75rem;
}

/* Footer Section & Links */
.footer {
  margin-top: 1.5rem;
}

.footer p {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.header .links {
  margin-top: 0.75rem;
}

.links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.link, .link-btn, .item-title {
  position: relative;
  text-decoration: none;
}

.link, .link-btn {
  font-size: 0.85rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  background: none;
  border: none;
  padding-bottom: 2px;
  cursor: pointer;
  line-height: inherit;
  transition: color 0.25s ease;
}

.link::after, .link-btn::after, a.item-title::after {
  content: '';
  position: absolute;
  width: 100%;
  transform: scaleX(0);
  height: 1px;
  bottom: 0;
  left: 0;
  background-color: var(--text);
  transform-origin: bottom right;
  transition: transform 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.link:hover, .link-btn:hover {
  color: var(--text);
}

.link:hover::after, .link-btn:hover::after, a.item-title:hover::after {
  transform: scaleX(1);
  transform-origin: bottom left;
}

/* Icon Styles */
.icon {
  display: inline-block;
  vertical-align: middle;
  margin-right: 0.35rem;
  margin-top: -2px;
  transition: transform 0.15s ease;
}

.link:hover .icon {
  transform: translateY(-1px);
}

.icon-email {
  color: #ea4335; /* Google Red */
}

.icon-github {
  color: #a855f7; /* Vibrant Purple/Violet */
}

.icon-linkedin {
  color: #0a66c2; /* LinkedIn Blue */
}

.icon-globe {
  color: #10b981; /* Emerald Green */
}

/* Microinteractions: Scroll Entrance Animations */
.animate-in {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}



/* Microinteractions: Hover zoom feedback on the theme toggle */
#theme-toggle {
  transition: opacity 0.15s ease, transform 0.15s ease;
}

#theme-toggle:active {
  transform: scale(0.95);
}

/* Keyboard Shortcuts Legend styling */
.shortcuts-legend {
  margin-top: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.8;
}

.key {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  background-color: var(--code-bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 3px;
  box-shadow: 0 1px 0px var(--border);
  margin: 0 2px;
  vertical-align: middle;
}

/* Thought Stream Section styling */
.logs-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.log-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  align-items: baseline;
  gap: 1rem;
  transition: transform 0.2s ease;
}

.log-item:hover {
  transform: translateX(2px);
}

.log-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.log-text {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.log-item:hover .log-text {
  color: var(--text);
}

@media (max-width: 480px) {
  .log-item {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }
}

/* Custom SVG Hover Micro-animations */

/* Email Flap Opening Animation */
.link:hover .icon-email .email-flap {
  animation: envelope-flap 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
  transform-origin: top center;
}

@keyframes envelope-flap {
  0% {
    transform: scaleY(1);
  }
  100% {
    transform: scaleY(-0.7) translateY(6px);
  }
}

/* GitHub Octocat Wiggle */
.link:hover .icon-github {
  animation: github-wiggle 0.35s ease-in-out infinite alternate;
}

@keyframes github-wiggle {
  0% {
    transform: rotate(-10deg);
  }
  100% {
    transform: rotate(10deg);
  }
}

/* LinkedIn Bounce */
.link:hover .icon-linkedin {
  animation: linkedin-bounce 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes linkedin-bounce {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.18) translateY(-1px);
  }
}

/* Globe Rotate Animation (Fake 3D) */
.link:hover .icon-globe .globe-meridian {
  animation: globe-spin 1.8s linear infinite;
  transform-origin: center;
}

@keyframes globe-spin {
  0% {
    transform: scaleX(1);
  }
  50% {
    transform: scaleX(-1);
  }
  100% {
    transform: scaleX(1);
  }
}

/* Quote Section styling */
.quote-section {
  margin-top: 1rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: center;
}

.deep-quote {
  font-size: 0.95rem;
  font-style: italic;
  color: var(--text-muted);
  line-height: 1.6;
  text-align: center;
  max-width: 80%;
}

.quote-author {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-style: normal;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.5rem;
  color: var(--text-muted);
}

/* Toast Notifications Container */
#toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 10000;
  pointer-events: none;
}

.toast {
  background-color: var(--text);
  color: var(--bg);
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  opacity: 0;
  transform: translateY(15px) scale(0.98);
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1), transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid var(--border);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  pointer-events: auto;
}

.toast.show {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Reading Status styles */
.reading-status {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  cursor: default;
}

.book-title {
  color: var(--text);
  font-style: italic;
}